Multiple vulnerabilities in Microsoft Windows GDI

Published: 2023-09-12 | Updated: 2023-11-16

Risk	Low
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2023-38161 CVE-2023-36804
CWE-ID	CWE-416
Exploitation vector	Local
Public exploit	N/A
Vulnerable software Subscribe	Windows Operating systems & Components / Operating system Windows Server Operating systems & Components / Operating system
Vendor	Microsoft

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Use-after-free

EUVDB-ID: #VU80682

Risk: Low

CVSSv3.1:

CVE-ID: CVE-2023-38161

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error within the UMPDDrvRealizeBrush() method in win32kfull driver. A local user can trigger a use-after-free error and execute arbitrary code on the system with elevated privileges.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Windows: 10 - 11 22H2

Windows Server: 2008 - 2022 20H2

CPE2.3

cpe:2.3:o:microsoft:windows:10:1809:*:*:*:*:*:*

External links

http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2023-38161
http://www.zerodayinitiative.com/advisories/ZDI-23-1445/

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?

2) Use-after-free

EUVDB-ID: #VU80683